Oracle error handling

Errors occur during runtime processing due to either hardware or network failure or application logic errors are known as exception.....
Following is the predefined oracle exceptions No_data_found Too_many_rows Zero_divide.....
A user can explicitly raise an exception by using the Raise command.....
The PL/SQL exceptions can be raised in 4 ways. Either the user can raise them or they can be raised by the PL/SQL engine. They are as follows:....
Guidelines for Avoiding and Handling PL/SQL Errors and Exceptions - Use both error checking and exception handling to ensure your program can handle all possibilities.....
Predefined oracle exceptions - These are the PL/SQL runtime engine raised named system exceptions......
Oracle Exceptions - Define Exceptions in PL/SQL, Explain how to define and raise exceptions in PL/SQL, What is Pragma Init Exception in oracle?, How exceptions are raised in oracle?.......
How exceptions are raised in oracle? - Internal exceptions are raised implicitly by the run-time system. However, user-defined exceptions must be raised explicitly by RAISE statements....